take it out on

take it out on  {v. phr.},  {informal}
To be unpleasant or unkind to (someone) because you are angry or upset; get rid of upset feelings by being mean to. — Often used with the name of the feeling instead of "it."
The teacher was angry and took it out on the class.
Bob was angry because Father would not let him use the car, and he took it out on his little brother.
Categories: feelings {informal} {v. phr.}